libstdc++
cstdio
1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 // 2006, 2007, 2008, 2009
5 // Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
17 
18 // Under Section 7 of GPL version 3, you are granted additional
19 // permissions described in the GCC Runtime Library Exception, version
20 // 3.1, as published by the Free Software Foundation.
21 
22 // You should have received a copy of the GNU General Public License and
23 // a copy of the GCC Runtime Library Exception along with this program;
24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 // <http://www.gnu.org/licenses/>.
26 
27 /** @file include/cstdio
28  * This is a Standard C++ Library file. You should @c #include this file
29  * in your programs, rather than any of the "*.h" implementation files.
30  *
31  * This is the C++ version of the Standard C Library header @c stdio.h,
32  * and its contents are (mostly) the same as that header, but are all
33  * contained in the namespace @c std (except for names which are defined
34  * as macros in C).
35  */
36 
37 //
38 // ISO C++ 14882: 27.8.2 C Library files
39 //
40 
41 #pragma GCC system_header
42 
43 #include <bits/c++config.h>
44 #include <cstddef>
45 #include <stdio.h>
46 
47 #ifndef _GLIBCXX_CSTDIO
48 #define _GLIBCXX_CSTDIO 1
49 
50 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
51 #undef clearerr
52 #undef fclose
53 #undef feof
54 #undef ferror
55 #undef fflush
56 #undef fgetc
57 #undef fgetpos
58 #undef fgets
59 #undef fopen
60 #undef fprintf
61 #undef fputc
62 #undef fputs
63 #undef fread
64 #undef freopen
65 #undef fscanf
66 #undef fseek
67 #undef fsetpos
68 #undef ftell
69 #undef fwrite
70 #undef getc
71 #undef getchar
72 #undef gets
73 #undef perror
74 #undef printf
75 #undef putc
76 #undef putchar
77 #undef puts
78 #undef remove
79 #undef rename
80 #undef rewind
81 #undef scanf
82 #undef setbuf
83 #undef setvbuf
84 #undef sprintf
85 #undef sscanf
86 #undef tmpfile
87 #undef tmpnam
88 #undef ungetc
89 #undef vfprintf
90 #undef vprintf
91 #undef vsprintf
92 
93 _GLIBCXX_BEGIN_NAMESPACE(std)
94 
95  using ::FILE;
96  using ::fpos_t;
97 
98  using ::clearerr;
99  using ::fclose;
100  using ::feof;
101  using ::ferror;
102  using ::fflush;
103  using ::fgetc;
104  using ::fgetpos;
105  using ::fgets;
106  using ::fopen;
107  using ::fprintf;
108  using ::fputc;
109  using ::fputs;
110  using ::fread;
111  using ::freopen;
112  using ::fscanf;
113  using ::fseek;
114  using ::fsetpos;
115  using ::ftell;
116  using ::fwrite;
117  using ::getc;
118  using ::getchar;
119  using ::gets;
120  using ::perror;
121  using ::printf;
122  using ::putc;
123  using ::putchar;
124  using ::puts;
125  using ::remove;
126  using ::rename;
127  using ::rewind;
128  using ::scanf;
129  using ::setbuf;
130  using ::setvbuf;
131  using ::sprintf;
132  using ::sscanf;
133  using ::tmpfile;
134  using ::tmpnam;
135  using ::ungetc;
136  using ::vfprintf;
137  using ::vprintf;
138  using ::vsprintf;
139 
140 _GLIBCXX_END_NAMESPACE
141 
142 #if _GLIBCXX_USE_C99
143 
144 #undef snprintf
145 #undef vfscanf
146 #undef vscanf
147 #undef vsnprintf
148 #undef vsscanf
149 
150 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
151 
152 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
153  extern "C" int
154  (snprintf)(char * restrict, size_t, const char * restrict, ...);
155  extern "C" int
156  (vfscanf)(FILE * restrict, const char * restrict, __gnuc_va_list);
157  extern "C" int (vscanf)(const char * restrict, __gnuc_va_list);
158  extern "C" int
159  (vsnprintf)(char * restrict, size_t, const char * restrict, __gnuc_va_list);
160  extern "C" int
161  (vsscanf)(const char * restrict, const char * restrict, __gnuc_va_list);
162 #endif
163 
164 #if !_GLIBCXX_USE_C99_DYNAMIC
165  using ::snprintf;
166  using ::vfscanf;
167  using ::vscanf;
168  using ::vsnprintf;
169  using ::vsscanf;
170 #endif
171 
172 _GLIBCXX_END_NAMESPACE
173 
174 _GLIBCXX_BEGIN_NAMESPACE(std)
175 
176  using ::__gnu_cxx::snprintf;
177  using ::__gnu_cxx::vfscanf;
178  using ::__gnu_cxx::vscanf;
179  using ::__gnu_cxx::vsnprintf;
180  using ::__gnu_cxx::vsscanf;
181 
182 _GLIBCXX_END_NAMESPACE
183 
184 #endif // _GLIBCXX_USE_C99
185 
186 #ifdef __GXX_EXPERIMENTAL_CXX0X__
187 # if defined(_GLIBCXX_INCLUDE_AS_TR1)
188 # error C++0x header cannot be included from TR1 header
189 # endif
190 # if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
191 # include <tr1_impl/cstdio>
192 # else
193 # define _GLIBCXX_INCLUDE_AS_CXX0X
194 # define _GLIBCXX_BEGIN_NAMESPACE_TR1
195 # define _GLIBCXX_END_NAMESPACE_TR1
196 # define _GLIBCXX_TR1
197 # include <tr1_impl/cstdio>
198 # undef _GLIBCXX_TR1
199 # undef _GLIBCXX_END_NAMESPACE_TR1
200 # undef _GLIBCXX_BEGIN_NAMESPACE_TR1
201 # undef _GLIBCXX_INCLUDE_AS_CXX0X
202 # endif
203 #endif
204 
205 #endif